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2e9313179a
Provide a function to locate this information, rather than doing it automatically on startup, to save space in global_data. Signed-off-by: Simon Glass <sjg@chromium.org>
52 lines
1 KiB
C
52 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Passing basic information from SPL to U-Boot proper
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*
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* Copyright 2018 Google, Inc
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*/
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#include <bloblist.h>
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#include <handoff.h>
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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void handoff_save_dram(struct spl_handoff *ho)
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{
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struct bd_info *bd = gd->bd;
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int i;
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ho->ram_size = gd->ram_size;
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for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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ho->ram_bank[i].start = bd->bi_dram[i].start;
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ho->ram_bank[i].size = bd->bi_dram[i].size;
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}
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}
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void handoff_load_dram_size(struct spl_handoff *ho)
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{
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gd->ram_size = ho->ram_size;
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}
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void handoff_load_dram_banks(struct spl_handoff *ho)
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{
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struct bd_info *bd = gd->bd;
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int i;
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for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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bd->bi_dram[i].start = ho->ram_bank[i].start;
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bd->bi_dram[i].size = ho->ram_bank[i].size;
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}
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}
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struct spl_handoff *handoff_get(void)
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{
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struct spl_handoff *handoff;
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handoff = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF,
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sizeof(struct spl_handoff));
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debug("Found SPL hand-off info %p\n", handoff);
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return handoff;
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}
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